Game guide · SJZWEISHEN
Play Kakurasu with the rules at hand
Check the rule below as you play. Mark cells so every weighted row total and column total matches its clue. Try the rule on the board, then read the next instruction. A 5×5 grid shows target sums at the right and bottom. Try the rule on the board, then read the next instruction.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
Something to practise
Take a moment to check the current turn. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Try the rule on the board, then read the next instruction.
The objective of a round
Mark cells so every weighted row total and column total matches its clue. Start a new round when you are ready to try again.
Work through the instructions
- A 5×5 grid shows target sums at the right and bottom.
- A marked cell contributes its column number to its row sum, and its row number to its column sum.
- Tap cells to mark or clear them. Current totals are displayed alongside the target totals.
- Match all rows and columns to complete the puzzle. Each generated puzzle is checked to have one solution.
How your actions work
Take a moment to check the current turn. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. The game area remains available above the explanation.
See how the rules apply
Marking columns 2 and 5 in the same row gives that row a total of 7. A mark in row 3 contributes 3 to its column. Start a new round when you are ready to try again.
Check this before moving on
Read the position before choosing your next action. The value is the position in the row or column, not a uniform count of marked squares. The game area remains available above the explanation.
Answers about the rules and controls
For this game, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The game is played locally in your browser.
How do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. A new round resets the current game.
Can you show an example?
Marking columns 2 and 5 in the same row gives that row a total of 7. A mark in row 3 contributes 3 to its column. A new round resets the current game.
Which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. You can start a new round from the game controls.
For this game, what rules and limits are used here?
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels. You can start a new round from the game controls.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. Use the labelled controls for your next action.
On this page, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. Scores here do not represent cash or prizes.
Why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. A new round resets the current game.
During a round, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. A new round resets the current game.
During a round, can I clear a square?
Yes. Tap a marked square again, or use Undo. The game is played locally in your browser.